token: ********************
{ "slice_base64": "string", "bg_base64": "string" }
curl --location --request POST 'http://api.nonebot.top/api/v1/captcha/2000?token' \ --header 'Content-Type: application/json' \ --data-raw '{ "slice_base64": "string", "bg_base64": "string" }'
null